Calhoun County, South Carolina — public water systems
At a glance
11 active public water systems are filed under Calhoun County, South Carolina in EPA's SDWIS records, together reporting 6,171 people served. The largest is St Matthews Town of (Sc0910001), which reports serving 2,644 people. 3 are community water systems serving people where they live; the other 8 are non-community systems, such as schools, workplaces, campgrounds and gas stations with their own supply.
Dataset updated . Source: EPA SDWIS/ECHO, refreshed quarterly.
Active systems
11
Population served
6.2K
Community systems
3
Groundwater share
100%
How does Calhoun County compare with other South Carolina counties?
Calhoun County has the 32nd-most active public water systems among the 58 counties listed for active South Carolina systems in EPA records; among the 46 with 3 or more systems, the median has 18. Its systems report 6,171 people served in total, the 44th-largest county figure in the state and 0.1% of the statewide total. The average system here reports serving 561 people, well below the South Carolina average of 3,511. Population figures are what each system reports; people served by more than one system, such as a wholesaler and the town that buys from it, are counted by each.
Where does Calhoun County's drinking water come from?
By primary water source, Calhoun County's active systems draw on groundwater (9, 82%) and purchased groundwater (2, 18%). Overall, all rely mainly on groundwater (including purchased groundwater) and none on surface water, compared with 70% and 30% across South Carolina. Groundwater means the system draws its water from wells or springs fed by underground aquifers. The county's largest system, St Matthews Town of (Sc0910001), draws primarily on groundwater.
What kinds of water systems operate in Calhoun County?
Calhoun County's active systems break down as 3 community systems (27%), 2 non-transient non-community systems (18%) and 6 transient non-community systems (55%). A community water system serves at least 15 connections used by year-round residents, or regularly serves at least 25 year-round residents. Homes, apartments and mobile-home parks are served by these. A non-transient non-community water system regularly serves at least 25 of the same people for more than six months a year, but not where they live. Schools, factories, office buildings and hospitals with their own supply are typical examples. A transient non-community water system serves places where people do not stay long, such as gas stations and campgrounds, and regularly serves at least 25 people a day for at least 60 days a year. EPA lists their owner types as private (82%) and local government (18%).
Water systems in Calhoun County
🔒 Create a free account to export CSV| # | Water system | County | Population served | Type | Source |
|---|---|---|---|---|---|
| 1 | St Matthews Town of (Sc0910001) | Calhoun | 2,644 | Community | Groundwater |
| 2 | Upper Calhoun/Belleville (0920001) | Calhoun | 1,779 | Community | Groundwater |
| 3 | Upper Calhoun/Sandy Run (Sc0920002) | Calhoun | 1,247 | Community | Groundwater |
| 4 | Devro-Teepak (Sc0930003) | Calhoun | 185 | Non-transient non-community | Purchased groundwater |
| 5 | Poplar Creek (Sc0960001) | Calhoun | 100 | Transient non-community | Groundwater |
| 6 | Scotchman 3886 (Sc0970910) | Calhoun | 50 | Transient non-community | Groundwater |
| 7 | Tri-County Electric Coop (0970901) | Calhoun | 50 | Non-transient non-community | Groundwater |
| 8 | Calhoun Hills Golf Complex (Sc0970875) | Calhoun | 40 | Transient non-community | Groundwater |
| 9 | Country Clear Inc. (Sc0973000) | Calhoun | 26 | Transient non-community | Purchased groundwater |
| 10 | Hickory Springs Bottling Inc. (Sc0973001) | Calhoun | 25 | Transient non-community | Groundwater |
| 11 | Sweetwater Lake (Sc0970800) | Calhoun | 25 | Transient non-community | Groundwater |
Calhoun County water systems: frequently asked questions
How many public water systems are in Calhoun County, South Carolina?
EPA's SDWIS records file 11 active public water systems under Calhoun County, South Carolina: 3 community systems (27%), 2 non-transient non-community systems (18%) and 6 transient non-community systems (55%).
Who supplies drinking water in Calhoun County, SC?
The largest community water systems filed under Calhoun County are St Matthews Town of (Sc0910001) (2,644 people served), Upper Calhoun/Belleville (0920001) (1,779 people served) and Upper Calhoun/Sandy Run (Sc0920002) (1,247 people served). Which system serves a particular address depends on its service area, which EPA's SDWIS records do not include; a water bill or the local utility can confirm it.
Does Calhoun County's drinking water come from groundwater or surface water?
Of the 11 active public water systems in Calhoun County, all draw mainly on groundwater and none on surface water, counting purchased supplies. The largest system, St Matthews Town of (Sc0910001), uses groundwater.
Where can I find a water quality report for Calhoun County?
Each community water system must deliver an annual water quality report, called a Consumer Confidence Report, to its customers by July 1, covering the previous calendar year. 3 community systems are filed under Calhoun County, so the report to look for is the one from the system that supplies your address.
How can I check violations for a water system in Calhoun County?
Open the system's profile from the list on this page. Each profile shows the most recent Safe Drinking Water Act violations in EPA's records, with plain-English labels and whether each one is resolved. For current compliance status, EPA ECHO is the primary source.
More South Carolina water systems
- All South Carolina public water systems· 1,392 active
- Williamsburg County· 15 systems
- Abbeville County· 14 systems
- Newberry County· 13 systems
- Chesterfield County· 12 systems
- Kershaw County· 11 systems
- Laurens County· 11 systems
- How to find out who supplies your drinking water
- How to find and read your annual water quality report
About this data
Source: U.S. EPA Safe Drinking Water Information System (SDWIS) and SDWA violation records, via EPA ECHO, as published October 1, 2026 — AquaCensus refreshes it quarterly. See the methodology for how records are matched, cleaned and scored.
Cite as: AquaCensus, “Public water systems in Calhoun County, South Carolina”, https://aquacensus.com/water-systems/south-carolina/calhoun (data as of October 1, 2026).